Finding the Fourth Proportional to 440,890.19, 608,433.32 and 239,686.19
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Solution
The fourth proportional to 440,890.19, 608,433.32 and 239,686.19 is: 330,769.58
Step by Step Solution
- Step 1: Write the proportion equation
440,890.19 : 608,433.32 = 239,686.19 : x - Step 2: Convert to fraction form
440,890.19/608,433.32 = 239,686.19/x - Step 3: Cross multiply
440,890.19x = 608,433.32 × 239,686.19 - Step 4: Simplify right side
440,890.19x = 145,833,064,339.85 - Step 5: Solve for x
x = 145,833,064,339.85/440,890.19 - Step 6: Final answer
x = 330,769.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.